	US 12,064,152 B2
	Implant fixation
Jörg Mayer, Niederlenz (CH); Andrea Müller, Winterthur (CH); and Andrè Schwery, Bern (CH)
Assigned to WOODWELDING AG, Stansstad (CH)
Appl. No. 16/960,418
Filed by Woodwelding AG, Stansstad (CH)
PCT Filed Jan. 8, 2019, PCT No. PCT/EP2019/050352 § 371(c)(1), (2) Date Jul. 7, 2020, PCT Pub. No. WO2019/137921, PCT Pub. Date Jul. 18, 2019.
Claims priority of application No. 00016/18 (CH), filed on Jan. 9, 2018; and application No. 00660/18 (CH), filed on May 23, 2018.
Prior Publication US 2020/0367948 A1, Nov. 26, 2020
Int. Cl. A61B 17/80 (2006.01); A61B 17/00 (2006.01); A61B 17/70 (2006.01)

CPC A61B 17/8042 (2013.01) [A61B 17/00491 (2013.01); A61B 17/7059 (2013.01); A61B 17/8047 (2013.01); A61B 2017/005 (2013.01); A61B 2017/00955 (2013.01)]

35 Claims

1. An implant system, comprising an implant part and at least one fastener, the implant part having, for the at least one fastener, a fastener receiving opening, the system further comprising thermoplastic material, the thermoplastic material being equipped for being liquefied by ultrasonic vibration and being an initially separate element or an element that is separable to be a separate element by applying a pressing or twisting force, wherein the at least one fastener, the implant part and the thermoplastic material are equipped for the thermoplastic material, after re-solidification, to secure the at least one fastener against at least one of an axial (back-out) movement of the at least one fastener, a rotation of the at least one fastener relative to the implant part, a variation of the angle of the at least one fastener relative to the implant part, and wherein the thermoplastic material is decoupled vibrationally from the implant part and the at least one fastener.